STP® European Vehicles Extended Life 50-50 Premixed Antifreeze/Coolant meets or exceeds performance requirements ASTM D3306 and JIS K2234. It is recommended for use in BMW®, Mercedes-Benz®, Volvo®, VW®/Audi® and other European automotive and light duty vehicles requiring a phosphate free, OAT engine coolant that is free of borate, nitrite and amine.

This ethylene glycol antifreeze/coolant is based on a proprietary organic acid corrosion inhibitor package powered by RECO-COOL technology (OAT) to provide extended protection against rust, corrosion and pitting caused by cavitation for all coolant system metals, including aluminum. The superior performance of this long service life product allows it to go on working well beyond the lifetime of traditional products. *When added as an initial fill and properly maintained in accordance with engine manufacturer’s maintenance recommendation, STP® European Vehicles Extended Life 50-50 Premixed Antifreeze/Coolant will provide up to 250,000 km or 5 years of service life protection in automotive applications. For best results, do not mix with conventional high pH, phosphate, borate or silicate based antifreeze/coolant.